New York (New York City)
September
Weather in New York for September 2026
Your guide to New York weather in September - trends and predictions
So far, September 2026 in New York is slightly warmer than the historical average by 1.1 °F.
Expect cooler weather in the next days in New York with the forecast suggesting a temperature of 23.7 °F, lower than the historical average.
In general, the average temperature in New York at the beginning of September is 27.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.3 °F by the end of September.
New York experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 176.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
24°/17°
Temperatures
18 km/h
Avg max wind
65 %
Avg humidity
New York Weather September
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What’s the Weather Like in New York This September?
Discover the average temperatures and weather trends across New York’s cities this September.
Temperatures trend during September in New York
See the weather trend as well as the moving average line
September weather in New York day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /18° | 29.4 mm | 6 | |
| Sept. 2 | Sunny | 26° /17° | 4.7 mm | 6 | |
| Sept. 3 |  Partly cloudy | 27° /17° | 0.6 mm | 6 | |
| Sept. 4 | Sunny | 29° /19° | 0.5 mm | 7 | |
| Sept. 5 |  Patchy rain possible | 27° /19° | 7.4 mm | 7 | |
| Sept. 6 |  Overcast | 28° /20° | 16.9 mm | 7 | |
| Sept. 7 | Sunny | 26° /16° | 14.8 mm | 6 | |
| Sept. 8 | Sunny | 27° /16° | 1 mm | 6 | |
| Sept. 9 |  Moderate or heavy rain shower | 27° /17° | 4 mm | 5 | |
| Sept. 10 | Sunny | 27° /18° | 1 mm | 6 | |
| Sept. 11 | Sunny | 27° /18° | 2.8 mm | 6 | |
| Sept. 12 | Sunny | 27° /17° | 1 mm | 7 | |
| Sept. 13 | Moderate or heavy rain shower | 27° /19° | 20.4 mm | 6 | |
| Sept. 14 | Overcast | 27° /18° | 0 mm | 6 | |
| Sept. 15 | Overcast | 25° /17° | 1 mm | 6 | |
| Sept. 16 | Overcast | 25° /16° | 0.2 mm | 6 | |
| Sept. 17 | Sunny | 29° /22° | 0.4 mm | 6.4 | |
| Sept. 18 |  Cloudy | 30° /22° | 0 mm | 6.7 | |
| Sept. 19 | Overcast | 22° /15° | 0 mm | 6.3 | |
| Sept. 20 | Patchy rain possible | 26° /18° | 11.6 mm | 0.3 | |
| Sept. 21 | Overcast | 20° /13° | 1.8 mm | 4.5 | |
| Sept. 22 | Patchy rain possible | 18° /15° | 5.9 mm | 4 | |
| Sept. 23 | Patchy rain possible | 17° /15° | 5 mm | 4 | |
| Sept. 24 | Overcast | 25° /16° | 0.9 mm | 5 | |
| Sept. 25 | Sunny | 22° /14° | 4.2 mm | 6 | |
| Sept. 26 | Sunny | 19° /12° | 0 mm | 5 | |
| Sept. 27 | Sunny | 24° /13° | 0 mm | 6 | |
| Sept. 28 | Sunny | 26° /17° | 0 mm | 7 | |
| Sept. 29 | Sunny | 27° /18° | 0 mm | 7 | |
| Sept. 30 | Sunny | 27° /18° | 0 mm | 7 | |
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Important Notice
Our weather forecast for New York in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New York forecast closer to your planned date for the most up-to-date weather information.
Change Month
New York in September - FAQ
What are the expected maximum and minimum temperatures in New York during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in New York during September?
Significant rainfall exceeding 176.9 mm is expected in New York during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New York during September?
The average wind speed in New York during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in New York
Explore the daily rainfall trends and prepare for New Yorks September weather 💧
Typically, New York has 9 rainy days in September with a total of 176.9 mm of rainfall.
UV exposure in New York during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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